Patent US4491049A successfully refreshed from Google Patents.
US4491049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument
Assignee: Sharp Corp
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Filing: 1981-12-23
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Granted: 1985-01-01
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Expires: 2001-12-23
Abstract
Abstract An electronic musical instrument having key input means selectively actuable to cause the production of sounds corresponding to respective notes of the musical scale, comprises a memory circuit for storing the respective notes, and a clear circuit actuated to partially amend at least one of the notes from the contents of the memory means.
Inventors
- 👤 Takemi Mizuta
- 👤 Tomohiro Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0033; G10H1/0041
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
123 words
A combined timepiece, calculator and electronic musical instrument comprising: key input means including time function key means for controlling said timepiece, calculation function key means for operating said calculator and musical note key means for generating musical notes, the latter comprising individual note keys; mode selection means for selecting time, calculation and musical modes for said instrument; memory means in said instrument for receiving and storing the respective musical notes produced by the individual note keys of said musical note key means; and clear means comprising a clear entry key in said calculation function key means, responsive to said mode selection means in said musical mode of said instrument, actuable to amend at least one of the notes contained in said memory means.
Claim 2
Dependent Claim
123 words
A combined timepiece, calculator and electronic musical instrument comprising: key input means including time function key means for controlling said timepiece, calculation function key means for operating said calculator and musical note key means for generating musical notes, the latter comprising individual note keys; mode selection means for selecting time, calculation and musical modes for said instrument; memory means in said instrument for receiving and storing the respective musical notes produced by the individual note keys of said musical note key means; and clear means comprising a clear entry key in said calculation function key means, responsive to said mode selection means in said musical mode of said instrument, actuable to amend at least one of the notes contained in said memory means.
Claim 3
Dependent Claim
35 words
The combined timepiece, calculator and electronic musical instrument of claim 1, wherein the clear means is actuated to amend said at least one of the notes from the memory means while the notes are played.
Claim 4
Dependent Claim
32 words
The combined timepiece, calculator and electronic musical instrument of claim 1, further comprising replacing means for replacing at least one of the notes canceled by said clear means with new note information.
Claim 5
Dependent Claim
117 words
The combined timepiece, calculator and electronic musical instrument of claim 1, wherein: said individual note keys are aligned like a pianoforte keyboard; and said memory means includes means for storing codes allotted to the respective musical scales and note generation frequency data inputted to said memory means in response to actuation or corresponding ones of said individual note keys; and which further includes: generation means responsive to actuation of the individual note keys and said note generation frequency data for generating musical notes corresponding to the codes defined by said note generation frequency data inputted by said individual note keys; and octave shifting means for shifting the codes and notes corresponding thereto by at least one octave.
Claim 6
Dependent Claim
76 words
The combined timepiece, calculator and electronic musical instrument of claim 1, which further comprises: generation means responsive to the actuation of said individual note keys providing information corresponding to said respective musical notes; and time compression means responsive to said information provided from said generation means for causing time compression of said information to be stored in said memory means; said memory means receiving and storing said time compressed information corresponding to said respective musical notes.
Claim 7
Dependent Claim
30 words
The combined timepiece, calculator and electronic musical instrument of claim 5, further comprising time return means for causing time return upon said time compressed information stored in said memory means.
Claim 8
Dependent Claim
40 words
The combined timepiece, calculator and electronic musical of claim 1, wherein said clear means acts to amend that respective note stored in said memory means by an actuation of said key input means just preceding actuation of said clear means.
Claim 9
Dependent Claim
40 words
The combined timepiece, calculator and electronic musical instrument of claim 7, wherein N successive actuations of said clear means act to amend the Nth next preceding note to the first actuation of said clear means, N being a whole number.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |